<div class="imgBox">
<span *ngIf="showPrev" href="javascript:;" class="btn-prev" (click)="doPrev()" title="您也可以通过键盘左键切换">
          <i class="anticon anticon-left"></i>
        </span>
  <img [src]="picList[picIdx].imgKey|qCloudDomain" [ngStyle]="{ 'width': '100%' }"/>

  <span *ngIf="showNext" href="javascript:;" class="btn-next" (click)="doNext()" title="您也可以通过键盘右键切换">
          <i class="anticon anticon-right"></i>
        </span>
</div>
